Mouthpiece for an inhalation device



FIG. 1 is a perspective view of a mouthpiece for an inhalation device showing our new design;

FIG. 2 is a side view thereof;

FIG. 3 is a front view thereof; and,

FIG. 4 is a bottom view thereof. 

The ornamental design for a mouthpiece for an inhalation device, as shown and described. 